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2014/10/15 ¤U¤È 10:09:57
iphone Programming Glossary: halfgraphheightDrawing waveform with AVAssetReader http://stackoverflow.com/questions/5032775/drawing-waveform-with-avassetreader CGColorRef rightcolor UIColor redColor CGColor CGContextFillRect context rect CGContextSetLineWidth context 1.0 float halfGraphHeight imageHeight 2 float channelCount float centerLeft halfGraphHeight float centerRight halfGraphHeight 3 float sampleAdjustmentFactor.. context rect CGContextSetLineWidth context 1.0 float halfGraphHeight imageHeight 2 float channelCount float centerLeft halfGraphHeight float centerRight halfGraphHeight 3 float sampleAdjustmentFactor imageHeight float channelCount float normalizeMax for NSInteger.. context 1.0 float halfGraphHeight imageHeight 2 float channelCount float centerLeft halfGraphHeight float centerRight halfGraphHeight 3 float sampleAdjustmentFactor imageHeight float channelCount float normalizeMax for NSInteger intSample 0 intSample sampleCount..
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